Juiping Chuang Buys $3.65K of Taiwan Semiconductor Manufacturing Co Ltd (TSM) — SEC Form 4, Oct 08, 2026

Open-Market Net Purchase · SEC Form 4

+$3,652

Equity position changed by +0.0%

Reporting Owner

Juiping Chuang

TXN 2026-10-07 · FILED 2026-10-08

Equity Position 365K sh 365,291 → 365,337

Equity Change +0.0% shares held after vs before

Filing Lag 1 business day within 2-day SEC deadline

Form 4 · Statement of Changes in Beneficial Ownership

Taiwan Semiconductor Manufacturing Co Ltd

TSM CIK 0001046179

Reporting Owner

Name	Relationship
Juiping Chuang CIK 0002114029	VP

Juiping Chuang at Taiwan Semiconductor Manufacturing Co Ltd Full insider history

Bought (12 mo) $29,232

Sold (12 mo) —

More from this insider at Taiwan Semiconductor Manufacturing Co Ltd

Non-Derivative Securities Transactions

Title	Date	Type	Shares	Price	Net Total	Post-Txn	Ownership
Common Shares (2330.TW)F3 F4 F1 F5	2026-10-07	P - Purchase	46 A	$79.39	+$3,652	48	Indirect By ESPP Trust

Non-Derivative Holdings

Title	Shares Held	Ownership
Common Shares (2330.TW)F1	259,239	Direct
American Depositary Shares (TSM)F2	50	Direct
Common Shares (2330.TW)	106,000	Indirect By Spouse

Footnotes (5)

F1: On September 30, 2026, 4,290 and 7,036 Common Shares previously held indirectly through the ESPP Trust and LTI Trust, respectively, were transferred to an account directly held by the reporting person. These transfers reflect only a change in the form of beneficial ownership of the shares and are exempt from reporting under Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Show more
F2: Each American Depositary Share represents five (5) Common Shares. Show more
F3: Common Shares purchased by the administrator of the issuer's Employee Stock Purchase Plan ("ESPP") on behalf of the filer pursuant to terms predetermined by the issuer. Show more
F4: The price was translated from the average purchase price of NT$2,524.2277 in New Taiwan dollars, at the rate of NT$31.795 to US$1. Show more
F5: Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP"). Show more

Institutional Holders

Largest by reported value

5%+ Holders · 13D/G 1 filer

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at Taiwan Semiconductor Manufacturing Co Ltd

GET /v1/forms/4/0001046179-26-000674 API docs